BOLT was originally introduced into private beta on January 15, 2009[3] and was made available to the public on February 16, 2009[4] when the public beta was announced at Mobile World Congress in Barcelona. Today, BOLT can be installed on Java-based handsets with Java MIDP 2 and CLDC 1.0 or higher support.[5] BOLT also has a specially optimized version for BlackBerry smartphones[6] and works with Windows Mobile and Palm OS devices that employ a MIDlet manager or Java emulator. BOLT was built using the WebKit rendering engine to display a full Web page layout as found on desktop web browsers.

Commercial release

Version 1.5

Cache Support to speed users’ ability to move quickly back and forth between the currently and previously viewed Web pages through the use of backward and forward navigation.

Download Manager for easy download of files directly from BOLT and the ability to save them to specific folders on the mobile phone (requires JSR75 support on the device).

Support for Streaming Videos of Any Length that overcomes limitations on some phones’ ability to stream videos of longer lengths. The new approach ensures video clips will play on all devices, for any length video.

Video Wizard to assist users in configuring their device for optimal video playback.

Dedicated Search Bar on home page, for easier and faster online searches.

Improved Ability to Manage RSS Feeds by allowing users to arrange and file feeds just as they do with their favorites and bookmarks.

Enhancements for Touch Screen Devices such as simple volume controls for the BOLT media player which now offers volume controls on the screen.

Enhancements for BOLT Servers in the cloud, which increase the already fast BOLT mobile browser by an additional 10 to 20 percent.

Version 1.6

This version of the BOLT browser was released on December 7, 2009. This release of BOLT includes a number of important design enhancements, as well as incremental improvements driven by BOLT's users. For all mobile data networks that support it, BOLT 1.6 offers full socket-based connectivity which can increase the page rendering speed of BOLT by as much as 15 percent. BOLT 1.6 also includes a new password manager, allowing usernames and passwords to be saved by the browser for easier and faster logins to users’ favorite websites and online applications.

Demise

On 2011.12.12, Bolt's website changed to display the following message:

Dear BOLT User,
The free BOLT mobile browsing service has been discontinued.
Unfortunately, the economic circumstances prevent us from
running a free service going forward. We apologize for any
inconvenience and thank you for your loyalty and support.
The BOLT Team

Additionally, the browser displayed a banner indicating that the service would be discontinued on the 14th of December. Neither the website nor the corresponding emails sent to users mentioned the possibility of a paid version.

As of 14 December 2011, existing installations of BOLT have been rendered useless.

Variants

BOLT Indic

This version of the BOLT browser was released on November 29, 2010.[30]

BOLT is the first complete mobile browsing solution to fully support Indic languages, specifically the nine languages spoken as a first language by an estimated 1.3 billion people living in India and the surrounding regions. This first of its kind solution for handset manufacturers and mobile operators has Indic language user interfaces, the capability to perfectly render Indic text on a Web page, and the ability to offer end users to input Indic text into the browser. The languages supported are Hindi, Bengali, Gurumukhi, Telugu, Tamil, Kannada, Gujarati, Malayalam, and Oriya.
All of BOLT's English language features are also available in its Indic language version.

BOLT lite

BOLT lite has been optimized to install and run on entry-level mobile devices with limited memory and system resources. This lightweight version retains most of BOLT's feature set. Although some of BOLT's functionality is not included in the lite version (e.g. inline input, videos support, Download Manager), BOLT's download speed and PC-style layout are retained - offering fast, full-featured desktop-style browsing to an even wider range of devices. It is built on Bitstream's ThunderHawk browsing technology.

Windows version

Functionality

Data centers for servers

The proxy servers that BOLT cloud-based architecture uses are located in the United States.

Split screen rendering

Split screen rendering is a patented BOLT technology in which a compressed view of the desktop style page layout is visible in the upper 2/3 part of the screen. A magnification rectangle is available for scrolling over this area. A magnified view of the selected area is displayed in the lower 1/3 part of the screen. This technology enables the user to view desktop style layouts of web pages without compromising readability on small screens.

Features

Tabbed browsing

Tabbed browsing experience enables the user to browse more than one site simultaneously.

Data compression

The cloud-based servers compress the data reaching the device by as much as 24 times, resulting in speeding up page load times by two to three times compared to other browsers.

Desktop-style layout

BOLT provides a special mode for easing the view of web pages.[33] Split-screen mode features a rectangular magnifier floating over a zoomed out mini-map of the entire Web page on the top 2/3 of the screen and a magnified view of the content under the magnifier on the bottom 1/3 of the screen. The magnifier floating over the mini-map enables the user to quickly find information and navigate Web sites with ease.

Backup of favorites

BOLT enables the user to back up favorites to the device's memory and restore them back through BOLT directly. Backup the favorites to the user account at BOLT Space and restore them back regardless of device, its platform, BOLT type (BOLT or BOLT Lite) and location.

Audio/video streaming

BOLT supports HTML5 based audio and video streaming.

It also supports expanded streaming flash video support.

Advanced social media integration

BOLT offers Facebook integration - post messages, links or URLs from any page displayed in BOLT directly to the Facebook account without navigating away from the currently viewed page. BOLT offers support for Facebook chat and other web-based chat apps. It also offers support for YouTube web apps - search and view videos directly in BOLT.

Technologies

The BOLT mobile browser is compatible with the majority of mobile phones. It offers desktop-style web browsing including the ability to stream video.

Split-screen view

WebKit rendering engine

BOLT is built using the WebKit rendering engine to deliver the same web page layout as found on desktop browsers and includes high standards compliance such as AJAX and flash video support. Bitstream's client/server technology, mobile fonts and font rendering technologies speed content delivery enabling mass market deployments, improved readability and allowing BOLT to fit more information into smaller screens. BOLT's underlying ThunderHawk mobile browsing technology supports both J2ME platforms, as well as non-J2ME environments though a C++ SDK.[34]

Web technologies

BOLT does not support Flash but it supports the FLV Format (as in streaming video Web sites including www.YouTube.com, www.Myspace.com, video.google.com, etc.).[35]

BOLT provides ECMA Script 262 version 3 JavaScript support for Web site forms, applications and other information.

BOLT enables viewing of AJAX pages that are written using ECMA-262 version 3/JavaScript 1.6 standard. The Web pages that use timer related events are not currently supported.

Security and privacy

BOLT is signed with third-party certificates from VeriSign and Thawte.[36] These "signatures" enable the device OS to confirm BOLT's authenticity, provide access to secure device APIs, and help ensure that BOLT is free from malware and/or viruses. Signed applications enable you to use BOLT with fewer permission dialogs for file and network access from your device's OS.

However, a few platforms including Motorola P2K do not allow installation of signed builds. To enable installation on these devices, an unsigned version of BOLT, with no certificate, is also offered.

128-bit secure (SSL) connection

BOLT uses an encrypted protocol called Secure Sockets Layer (SSL) to access secure Web pages. The connection between the device and the BOLT server is also encrypted.[37]

Certificate error notification

A certificate is an electronic document that can help identify a Web site's owner and can help you make decisions about trusting the site with personal or financial information. BOLT warns about certificate error when there is a problem with a certificate or the server's use of the certificate.

Persistent cookies

BOLT stores the cookies on BOLT's servers. BOLT maintains site-specific information about users, such as site preferences and the contents of shopping carts.

Standards

BOLT browser passes the Acid3 test with a perfect 100% score.[38] Acid3 is a test page from the Web Standards Project that tests how well a web browser supports certain web standards.

Licensing

Allview has selected the BOLT mobile browser from Bitstream Inc. as its official mobile browser partner, and will preload BOLT on the entire line of Allview phones sold across Europe.[42]

KC Mobile, a Korean-based manufacturer and provider of handsets for the Chinese cell phone market, will preload the BOLT mobile browser as the default Web browser in handsets to be distributed around the world. KC Mobile handsets are sold in China, Europe, Russia, South America, and Asia.[43]

The BOLT OEM edition is a major evolution of the company's Thunderhawk mobile browsing technology and architecture. Bitstream has optimized the BOLT browser application and the WebKit-based, cloud computing architecture that supports it to make the BOLT OEM edition the easiest way for handset manufacturers and wireless operators to offer their customers desktop style Web browsing on mobile phones of all types.[44] Co-branding and white labeling opportunities make BOLT especially attractive to OEMs and mobile network operators who will benefit from BOLT's many advantages.[45]

Awards

The BOLT browser has received numerous awards and mentions in the media. Some of the important awards for the BOLT browser are:

Mobile Merit Awards | 2010 | Runner Up in Overall Consumer Application and Service Delivery Platform categories. The BOLT Mobile Browser has been named Runner Up in the 2010 Mobile Merit Awards in two categories: Best Overall Consumer Mobile Application and Best Service Delivery Platform.[47]

The MarioNet Internet Appliance is an application that runs on a server and sends pre-rendered graphical images to a light-weight client for display.

It was prototyped in January 1999 at iCentrix Ltd in Andover, Hampshire, UK, by former Caldera UK employees led by Roger A. Gross and Andy T. Wightman.

The concept behind MarioNet was to build a thin-client browser to provide web-based content to very small client platforms with little RAM or ROM and minimal processing power. It was designed to run on a range of embedded operating systems or indeed a ROM platform without an operating system. The server side used Mozilla, the recently open-sourced web browser based on Netscape's Navigator. A proprietary protocol called OPTIC was used to communicate between the two parts.

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